[Aus.tra.lian] adj (1814) 1: of, relating to, or characteristic of the continent or commonwealth of Australia, its inhabitants, or the languages spoken there
2: of, relating to, or being a biogeographic region that comprises Australia, the islands north of it from Celebes eastward, Tasmania, New Zealand, and Polynesia
[2]Australian n (1814) 1: a native or inhabitant of the Australian commonwealth
2: a group of about 200 languages spoken by the aboriginal inhabitants of Australia